APA (7th ed.) Citation

Hergenhahn, B. R., & Olson, M. H. (2003). An introduction to theories of personality (6th ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Hergenhahn, B. R., and Matthew H. Olson. An Introduction to Theories of Personality. 6th ed. Upper Saddle River, N.J: Prentice-Hall, 2003.

MLA (9th ed.) Citation

Hergenhahn, B. R., and Matthew H. Olson. An Introduction to Theories of Personality. 6th ed. Prentice-Hall, 2003.